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311420119 is a prime number
BaseRepresentation
bin10010100011111…
…110010011010111
3210200222210002111
4102203332103113
51114210420434
650522451451
710501012243
oct2243762327
9720883074
10311420119
1114a8745aa
1288363b87
134c698b7a
142d507423
151c517964
hex128fe4d7

311420119 has 2 divisors, whose sum is σ = 311420120. Its totient is φ = 311420118.

The previous prime is 311420101. The next prime is 311420159. The reversal of 311420119 is 911024113.

It is a weak prime.

It is an emirp because it is prime and its reverse (911024113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311420119 - 29 = 311419607 is a prime.

It is a super-2 number, since 2×3114201192 = 193964981035948322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 311420119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311420159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155710059 + 155710060.

It is an arithmetic number, because the mean of its divisors is an integer number (155710060).

Almost surely, 2311420119 is an apocalyptic number.

311420119 is a deficient number, since it is larger than the sum of its proper divisors (1).

311420119 is an equidigital number, since it uses as much as digits as its factorization.

311420119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 311420119 is about 17647.0994500513. The cubic root of 311420119 is about 677.8218359000.

The spelling of 311420119 in words is "three hundred eleven million, four hundred twenty thousand, one hundred nineteen".